42
Figure C.1. RS-232 connector
Figure C.2. DB-25 connector
Appendices ~ Appendix C: Connector Pinouts
Appendix C: Connector Pinouts
RS-232 COM DCE port pinout
Pin Number | Control | Pin Number | Control | |
|
|
|
|
|
1 | DCD | 6 | DSR | |
2 | TXD | 7 | CTS | |
3 | RXD | 8 | RTS | |
4 | DTR | 9 | No connection | |
5 | Ground |
|
|
|
Control/Status port pinout
Pin # | Definable* | Status | Moment./Latch. | Default Description |
|
|
|
|
|
1 | Yes | C | M | Lock front panel toggle |
2 | Yes | S |
| Status of front panel lock |
3 | Yes | C | M | Mute all mics toggle |
4 | Yes | S |
| Status of mute all mics |
5 | Yes | C | M | Telephone On/Off toggle |
6 | Yes | S |
| Telephone status |
7 | Yes | C | M | Auto answer toggle |
8 | Yes | S |
| Status of auto answer |
9 | Yes | C | M | Mute Output A toggle |
10 | Yes | S |
| Status of Output A mute |
11 | Yes | C | M | Mute Input A toggle |
12 | Yes | S |
| Status of Input A mute |
13 | Yes | C | M | Volume Up PA (1dB) |
14 | Yes | S |
| Not Active |
15 | Yes | C | M | Volume Down PA (1dB) |
16 | Yes | S |
| Not Active |
17 | No | S |
| Mic #1 Gate Status |
18 | No | S |
| Mic #2 Gate Status |
19 | No | S |
| Mic #3 Gate Status |
20 | No | S |
| Mic #4 Gate Status |
21 | No | S |
| Ring indication |
22 | No connection |
|
|
|
23 | No | * |
| +5VDC |
24 | No | * |
| +5VDC |
25 | No | * |
| Ground |
